Groundwater play a role in the formation of stalagmites and stalactites. The Naica Mine of Chihuahua, Mexico, is known for its extraordinary crystals that can be as large as 4 feet in diameter and 50 feet long.
Stalagmites and stalactites, cave curtains, and rimstone pools. Learn all about cave formations.
Reviews landforms created by groundwater deposition.
Features and minerals found in a limestone cave in New Mexico.